Review

The ratio for sandwiches to people is 1 to 2. If there are 50 people then how many sandwiches should be ordered?

• 50 sandwiches

• 25 sandwiches

• 20 sandwiches

• 5 sandwiches

The teacher student ratio is 1:15. If there are 480 students then how many teachers are there?

• 240 teachers

• 96 teachers

• 48 teachers

• 32 teachers

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5
• 1:3
• 3:11
• 3:10

Tell if the ratio is part-to-part or part-to-whole.
In a a mini bag of M&Ms, there are 16 M&Ms and 5 of them are red.

• Part-to-Part
• Part-to-Whole

what is the ratio of seals to animals

• 5 : 3
• 3 to 5
• 3 of 5
• 3 : 8

what is the ratio of turtles to seals

• 5 : 3
• 3 to 5
• 3 of 5
• 3 : 8

What is the solution for x + 9 = 21

• 10
• 12
• 11
• 13

Solve for b
2b = -16

• 8
• 4
• -8
• 3

Solve:

• 96
• -96
• 4
• -4

x - (-2) = 7

• -9

• -5

• 5

• 9